Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Heat recuperative Unit, Ventilation System Design , fresh air recuperative ventilation , industrial air conditioners ,passitive house ventilation system . Any requires from you will be paid with our best attention! The product will supply to all over the world, such as Europe, America, Australia,Georgia , The Swiss ,Montreal , Plymouth .We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.